3 IZA Discussion Papers
IZA Discussion Paper No. 12267
published in: in: Journal of Economic Behavior and Organization 2019, 162, 120-135
IZA Discussion Paper No. 8707
revised version published as 'Helping Under a Combination of Team and Tournament Incentives' in: Journal of Economic Behavior and Organization, 2019, 162, 120-135.
IZA Discussion Paper No. 2423
published in: Labour Economics, 2008, 15 (2), 141-167